package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.util.Scanner;
/**
 * 程序启动后，要求完成用户注册功能
 * 1:提示用户分别输入用户名，密码，昵称和年龄
 * 2:将用户输入的信息插入到userinfo表中
 */
public class RegDemo {
    public static void main(String[] args) throws Exception {
        /*
        UserInfo userInfo = new UserInfo();
        Scanner scanner = new Scanner(System.in);
        System.out.println("欢迎注册");
        System.out.println("请输入用户名：");
        String username = scanner.nextLine();
        System.out.println("请输入密码：");
        String password = scanner.nextLine();
        System.out.println("请输入昵称：");
        String nickname = scanner.nextLine();
        System.out.println("请输入年龄：");
        int age = scanner.nextInt();
         */
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(),"欢迎注册！","注册");
        System.out.println(userInfo);
        int num = reg(userInfo);
        if (num>0){
            System.out.println("注册成功！");
        }

    }

    public static int reg(UserInfo userInfo) throws Exception {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection= DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );

        Statement statement = connection.createStatement();

        String sql="INSERT INTO userinfo(username,password,nickname,age) \n" +
                "VALUES('"+userInfo.getUsername()+"','"+userInfo.getPassword()+"','"+userInfo.getNickname()+"',"+userInfo.getAge()+") ";
        System.out.println(sql);

        int num = statement.executeUpdate(sql);
        connection.close();
        return num;
    }

}
